[ 4360.068995][T29209] gre: GRE over IPv4 demultiplexer driver
[ 4361.803765][T29239] ip_gre: GRE over IPv4 tunneling driver
[ 4409.057290][T29817] ip6_gre: GRE over IPv6 tunneling driver
[ 4429.662782][T30066] ping (30066) used greatest stack depth: 23648 bytes left
[ 4442.219291][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4447.084201][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4451.243228][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4456.043221][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!